The true length of boards cut at a sawmill for boards with a…

The true length of boards cut at a sawmill for boards with a listed length of 10 ft is normally distributed with a mean of 123 inches and a standard deviation of 1 inch.  What proportion of the boards will be over 125 inches in length? (answer to three decimal places as a proportion e.g. 0.502 is how I would like you to enter 50.2%)